Emmy Award-winning television and film actor best known for his role as the outrageous, master-of-the-big-entrance Cosmo Kramer on Seinfeld (1990–98). He also appeared on Fridays (1980–82). His film credits include UHF (1989) and Unstrung Heroes (1995). He made an unsuccessful journey with his television series The Michael Richards Show (2000–2001).